/*
 * *** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * J4Care.
 * Portions created by the Initial Developer are Copyright (C) 2013
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 * See @authors listed below
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * *** END LICENSE BLOCK *****
 */

package org.dcm4chee.arc;

import org.dcm4che3.net.Connection;

import java.net.Socket;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 * @since Feb 2016
 */
public class ConnectionEvent {

    public enum Type {
        ESTABLISHED, FAILED, REJECTED, REJECTED_BLACKLISTED, ACCEPTED
    }

    private final Type type;
    private final Connection connection;
    private final Connection remoteConnection;
    private final Socket socket;
    private final Throwable exception;

    private ConnectionEvent(Type type, Connection connection, Connection remoteConnection, Socket socket,
                           Throwable exception) {
        this.type = type;
        this.connection = connection;
        this.remoteConnection = remoteConnection;
        this.socket = socket;
        this.exception = exception;
    }

    public static ConnectionEvent onConnectionEstablished(Connection conn, Connection remoteConn, Socket s) {
        return new ConnectionEvent(Type.ESTABLISHED, conn, remoteConn, s, null);
    }

    public static ConnectionEvent onConnectionFailed(Connection conn, Connection remoteConn, Socket s, Throwable e) {
        return new ConnectionEvent(Type.FAILED, conn, remoteConn, s, e);
    }

    public static ConnectionEvent onConnectionRejectedBlacklisted(Connection conn, Socket s) {
        return new ConnectionEvent(Type.REJECTED_BLACKLISTED, conn, null, s, null);
    }

    public static ConnectionEvent onConnectionRejected(Connection conn, Socket s, Throwable e) {
        return new ConnectionEvent(Type.REJECTED, conn, null, s, e);
    }

    public static ConnectionEvent onConnectionAccepted(Connection conn, Socket s) {
        return new ConnectionEvent(Type.ACCEPTED, conn, null, s, null);
    }

    public Type getType() {
        return type;
    }

    public Connection getConnection() {
        return connection;
    }

    public Connection getRemoteConnection() {
        return remoteConnection;
    }

    public Socket getSocket() {
        return socket;
    }

    public Throwable getException() {
        return exception;
    }
}
